Steve Huey, AllMusic Guide - Joseph Hoo Kim was one of the most important Jamaican record producers of the '70s, developing a tough, militant roots reggae style known as the "rockers" sound. As the head of the Channel One studio and label family, Hoo Kim and his three brothers worked with many of the top reggae artists of the '70s, especially dominating the Jamaican charts in the latter half of the decade. Their house band, the Revolutionaries, spun off the legendary rhythm section of Sly Dunbar and Robbie Shakespeare, and their productions set new standards for high-tech sound quality in Jamaica [more] - https://www.allmusic.com/artist/joseph-jo-jo-hoo-kim-mn0000825342